Q. 25.0( 1 Vote )

Find the slope of the straight line whose angle of inclination is

(i) 30° (ii) 60° (iii) 90°

Answer :

If θ is the angle of inclination of the line, then the slope of the line is m = tan θ


i) Given that m = tan 30°



ii) Given that m = tan 60°


m = √3


iii) Given that m = tan 30°



The slope is undefined.


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